Transaction not yet indexed

ex5B19R9MSa7osLQLapJrC9RJfmR3u1fHXM9M5WL815eB9mEpe6BjbAgQMzTsBNmqqq9YoaDECMsYxvtqhupps5

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.